NETNS_NAME_SIZE
char ns1[NETNS_NAME_SIZE] = NETNS_BASE "-1-";
char ns2[NETNS_NAME_SIZE] = NETNS_BASE "-2-";
char ns3[NETNS_NAME_SIZE] = NETNS_BASE "-3-";
if (!ASSERT_OK(create_ns(ns1, NETNS_NAME_SIZE), "create ns1"))
if (!ASSERT_OK(create_ns(ns2, NETNS_NAME_SIZE), "create ns2"))
if (!ASSERT_OK(create_ns(ns3, NETNS_NAME_SIZE), "create ns3"))